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Question 28

An orange drink concentrate is suspected to contain traces of poisonous green dye and a harmless dye having the same boiling point. Which of the following techniques is most suitable for isolating the dyes?

  • A.Fractional distillation
  • B.Paper chromatography
  • C.Coagulation
  • D.Recrystallization
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
2004
Question no.
#28
Type
Objective
Previous · Q27Which of the following factors that affect the rate of chemical reactions can be… Next · Q29 If 60 cm 3 of gas is heated from 27 o C TO 50 o C, what is the new volume of the…

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